Hafnium
Symbol:
Hf
Atomic Mass/Weight:
178.49 AMU
Atomic Number:
72
Oxidation State:
+4
Melting Point:
2500 K
Boiling Point:
4876 K
# of Isotopes:
6
Electron Configuration:
[Xe] 4f
1
5d
2
6s
2
Lewis Dot Diagram: